-98.02% is the change from 555 to 11
Calculation steps:
[( 11 - 555 ) ÷ 555] x 100 = -98.02%
Formula
Percentage change = [(11 - 555) / 555] x 100
Subtract the new number by the original number
11 - 555 = -544
-544 ÷ 555 = -0.9801801801801802
-0.9801801801801802 x 100 = -98.02%